Analyzed qualitatively and determined quantitatively the exist and relative content of aloe dry powder by visual colorimetry, which using product of coloured complex and colour difference.
研究了利用有色复合物的生成及颜色差别，定性鉴别和目视比色定量测定芦荟干粉的存在和相对含量的方法。
When talking about appearance, you can contrast the way you look with the way another relative looks, you can talk about how tall someone is and their hair colour.
当谈论人的外表时，你可以对比他和他家人在长相上的不同，你可以谈论某人多高，他的头发是什么颜色。
When talking about appearance, you can contrast the way you look with the way another relative looks, you can talk about how tall someone is and their hair colour.
当谈论人的外表时，你可以对比他和他家人在长相上的不同，你可以谈论某人多高，他的头发是什么颜色。
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